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. Author manuscript; available in PMC: 2010 Apr 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Apr;56(4):715–726. doi: 10.1109/TUFFC.2009.1094

TABLE V.

Average KVFD Model Parameter Values (α, E0, and τ′) Obtained from in Vivo Measurements in the Lesion and Background of 2 Benign (1–2) and 3 Malignant (3–5) Breast Tumors from Breast Cancer Patients.

Case # (1) (2) (3) (4) (5)

Diagnosis Fibrocystic change Fibroadenoma IDC + DCIS IDC ILC
α Lesion 0.81 ± 0.03 0.95 ± 0.07 0.89 ± 0.03 0.78 ± 0.02 0.99 ± 0.03
Background 0.73 ± 0.09 0.86 ± 0.04 0.91 ± 0.05 0.79 ± 0.02 0.820 ± 0.005
E 1 Lesion 88 ± 6 140 ± 5 78 ± 6 51 ± 4 90 ± 8
(Pa) Background 45 ± 5 50 ± 2 106 ± 4 49 ± 6 28.1 ± 0.6
τ′ Lesion 1.6 ± 0.3 1.5 ± 0.2 2.6 ± 0.4 1.8 ± 0.2 2.23 ± 0.05
(s) Background 0.6 ± 0.3 0.7 ± 0.2 1.4 ± 0.04 1.9 ± 0.1 0.87 ± 0.02
Acquisition time (s) 6.5 10.2 7.0 9.7 8.2